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2. Aug 22, 2019  In case you enter the SIM card from other network and your device doesn't ask for Samsung SIM unlock code, try these steps –. Open phone dialer and enter the code - #7465625.638.#. When it asks for code, enter the 8-digit Samsung network unlock code.

1. 100% Free Samsung Unlock Codes

General instructions (will work for most phones):

To unlock a phone from a specific carrier, the most secure way is to submit a support ticket asking for a unlock pin. If you are qualified to such a request, then they will send the code to you within 4 business days. If you got the code from them, it is a legit code for 100% sure.

1. Turn off your Samsung phone
2. Insert a non-accepted sim card (different from the original carrier).
3. Turn on the phone.
4. Slide to unlock and it will ask for the unlock code
5. Enter the unlock code you obtained from UnlockRiver.com
6. Your phone is now fully unlocked!

If you enter an non-accepted Sim Card and your phone does not prompt to enter Unlock Code:

Method 1:

1. Go to the dial screen and press #7465625*638*#
2. Once prompted for code, enter 8 digit Unlock Code provided by unlockriver.com.

Method 2:

1. Turn off your Samsung phone
2. Insert a non-accepted sim card (different from the original carrier) and turn your phone back on.
3. When prompted for the unlock code type the UNFREEZE code provided. If you are not prompted, go to your dial screen and type the UNFREEZE code, now press enter, send or call. You will receive an unsuccesfull message, don't worry.
4. Once the phone freeze is disabled, the Network lock or SP Lock screen will appear
5. For Network lock enter the UNLOCK code provided. For SP Lock enter the SERVICE PROVIDER code
6. Your phone is now fully unlocked!

If you get 'unsuccessful' again then hit Dismiss button and type *2767*3855# on phone keypad and try this procedure again (CAUTION! This will reformat all your data!).

Method 3:

1. You can try this method without the sim card or with the original sim card
2. Type #7465625*638*CODE# (CODE is the Unlock Code we sent you)
3. Phone deactivated message means its unlocked

Method 4:

1. You can try this method without the sim card or with the original sim card
2. Type: #0111*CODE# (CODE is the Unlock Code we sent you)

How to enter unlock code on Samsung models: SGH-A127, SGH-E840, SGH-F210, SGH-J600, SGH-T749

1. Turn ON your phone without Sim Card
2. Type #0111*CODE# (CODE is the Unlock Code I sent you)
3. Device should say 'Network Lock Deactivated'
4. The phone may reboot and the unlock is completed

How to enter unlock code on Samsung SGH-A877

1. Insert an Authorized Sim Card and turn ON your phone
2. Device must be in Portrait mode. Hit the Dial button on the touch screen.
3. Type #7465625*638*CODE# (CODE is the Unlock Code we sent you)
4. Device should say: 'Network Lock Deactivated'
5. Phone may automatically reboot

How to enter unlock code on Samsung models: A737, A777, Blackjack SGH-i607, SGH-i616, SGH-i617, SGH-i627, SGH-i637, SGH-A877

1. Insert an Authorized Sim Card and turn ON your phone
2. Type #7465625*638*CODE# (CODE is the Unlock Code we sent you)
3. Device should say: 'Network Lock Deactivated'
4. Phone may automatically reboot

NOTE: If you are unable to connect to service provider or unable to make outgoing calls or receive messages, this has nothing to do with your phone being locked or not, you need to force the Blackjack to change to GSM mode, this can be done as follows:

1. Type *#1546792*#
2. Select Option 3 Network & Call Settings
3. Select option 5 Network Mode
4. Select GSM
5. This should resolve your problem.

How to enter unlock code on Samsung phones from: AT&T / Cingular BlackJack

1. Insert a non-accepted Sim Card and turn ON your phone
2. Power on the device. Wait approximately 30 seconds until the Sim Lock application appears (the delay may be longer if the user has already attempted an unlock with the wrong code)
3. Enter the unlock code in the blank field
4. Press Ok. If the Unlock Code is incorrect, an error dialog will appear. After pressing Ok on this dialog, the user has to re-enter the Unlock Code after delays (see above in Device Specific Information). If the Unlock Code is correct, a success dialog will appear.
5. Press Ok
6. The device is now unlocked and should continue booting

NOTE: If you are unable to connect to service provider or unable to make outgoing calls or receive messages, this has nothing to do with your phone being locked or unlocked, you need to force the BlackJack to change to GSM mode, this can be done as follows:

1. Power on your Phone
2. Type *#1546792*#
3. Select Option 3 Network & Call Settings
4. Select option 5 Network Mode
5. Select GSM

How to enter unlock code on Samsung Models: i450 & i560

1. Turn ON your phone without Sim Card
2. Type #PW+Unlock Code+1#

The letter P appear after you press star button (*) three times quickly

The letter W appear after you press the star button (*) four times quickly

The letter + appear after you press the star button (*) two times quickly

How to enter unlock code on Samsung J600

Unlock Code is entered as: #0149*UNFREEZE# or #0111*UNLOCK#

How to enter unlock code on Samsung SGH-P207

1. Reset to original factory setting by typing *2767*3855#, your phone will reboot
2. Insert a non-accepted Sim Card and turn ON your phone
3. A Wrong Sim message will appear
4. Enter * #9998*3323#
5. Exit white screen appear, tap the right soft key, (occasionally it will not go to the next screen, if so press the down key)
6. A menu will appears, scroll down to the malloc Fail option, this will reboot, and normal service screen will appear
7. Enter *0141# and press the green Call key
8. Personalized screen appear, the name of the current Sim Card provider will appear on the screen
9. Turn phone OFF, and then turn back ON
10. Go to menu by tapping left soft key
11. Settings is in bottom right hand corner
12. Select option 7 = Security
13. Select option 6 = Sim Lock
14. Select option 1 = Disable
15. Enter 00000000 (eight zeros), the message will come up Sim lock disabled with a check mark; your phone is now unlocked to use with other carriers.

How to enter unlock code on Samsung SGH-T609

1. Turn ON your phone without Sim Card
2. Type #011*CODE# (CODE is the Unlock Code we sent you)
3. Device should say: 'Network Lock Deactivated'
4. Phone may automatically reboot

How to enter unlock code on Samsung Models: Z320i, Z510, Z650i

1. Insert a non-accepted Sim Card and turn ON your phone
2. Type **CODE# (CODE is the Unlock Code we sent you)

Having trouble? Contact us at support@unlockriver.com

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One of the biggest problems faced by Samsung phone users is finding their SIM locked to a specific network. This is something that is beneficial for individual networks as it permits them to provide subsidized commercial services to their customers. On the other hand, it tends to be a bad news for the users, as they cannot get any assurance whether a new SIM card will work on their phone or not. In most of the cases, the phone is locked if you bought it from wireless network provider, such as Verizon, T-Mobile, Sprint.

To unlock a Samsung Galaxy phone, you have to provide the correct unlock code once you inserted new SIM card. In this article, I will introduce 3 different ways to get the phone unlocked.

Part 1: How to Unlock Samsung Phone SIM Card for Free

To get the maximum benefit from its paying customer, each network operator tries its best to utilize the most sophisticated encryption technology to protect the phone being used with other service providers. To unlock a phone from a specific carrier, the most secure way is to submit a support ticket asking for a unlock pin. If you are qualified to such a request, then they will send the code to you within 4 business days. If you got the code from them, it is a legit code for 100% sure. Here are the unlokcing policy for Verizon, Sprint and T-Mobile, please check it accordingly.

The fact is that it will be very hard to receive unlocking code from the carrier because they have very strict policy towards such behavior. So if the carrier refused to offer the code, then keep reading and follow the suggestions in below.

Part 2: How to SIM Unlock Samsung Phone from Online Website

When you enter the keyword in search engines, you will find a lot of online websites offering SIM unlocking services. Unlike the method mentioned above, which knows how to generate the right code for each phone, those services are using computer programs to guess out the right code.

The whole process is like this: you have to select the phone mode and wireless carrier first. Then input IMEI number of the phone. The website will lead you to a new page, which tells you the phone can be unlocked or not. If the answer is Yes, you have to pay around 30 USD to get the unlock code. You can’ tell the code is correct or not. So I did a test with 3 websites and all of the codes failed to work on my Galaxy S6. You should be very careful if you chose to purchase such a service.

Part 3: How to SIM Unlock Samsung Phone with Unlocking Software

The third way is using SIM unlocking software. This is much secure and the whole process is under your control. One of the most effective software is called Android SIM Unlock, which comes with some attractive features like simple unlocking process with permanent results. It supports more than 400 Samsung devices and possibility operates in more than 60 countries. In addition, there is no damage to the data stored on your phone. With this desktop software, you can simply unlock your Samsung phone just within 10 minutes. Here is the step-by-step guide on how to unlock Samsung phone sim card with this software.

Step 1 Download and Install Android SIM Unlock

Initially, you will have to download the desktop software to a Windows computer. The Mac version is still under development. Then, install the program on the computer and open it. Click 'More Tools' on left sidebar and select 'Android SIM Unlock'.

Step 2 Connect Samsung Galaxy Phone to Computer

Once the installation is completed, you will have to connect Samsung phone to the computer through USB. In here, you should make sure USB Debugging is enabled. It is better to check the battery is more than 20% before clicking the 'Unlock' button to allow the software analyzing the phone.

Step 3 Follow On-screen Instructions to Unlock Samsung Galaxy Phone

For Samsung Galaxy S3 to S7, you have to root the phone first due to the new technology restrictions, which will dramatically increase the success rate. Once the phone was recognized by the program, click 'Unlock' button to start the unlocking process. The Samsung Galaxy phone will be unlocked in a few minutes.

For other Samsung devices, there is no need to root the phone. Once the phone being detected, click 'Next' button. Then there are detailed instructions on the screen telling you how to do next.

Now, open the dial app on the phone and type *#0808# or ##3424# or #9090#. One of them should work for the phone. The phone will be prompted to new screen after inputting the code. The option is different for different modes. Please choose DM + MODEM + ADB or UART[*] or CDMA MODEM on the phone. Finally, click on 'Unlock' button to begin the unlocking service.

This desktop software works by analyzing the locking methodology on the SIM Card and will select the suitable method to unlock Android phone or tablet after analyzing the device. Just wait for some time for the software to complete the unlocking process successfully. If you wish to check whether the unlocking has been successfully completed, you can do this by inserting a SIM from a different carrier to find whether the phone accepts the new SIM.

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100% Free Samsung Unlock Codes